Hot Music Wireless Doorbell with 2 Buttons Less power consumption Good Quality Free Shipping 32 music tunes for you to choose,can change the voice The distance, open up to 70-111 - m The high frequency vibration body, strong penetrating power When the music sounded, LED lights flashing, to elderly people hearing are shielded and aural disabled people know the doorbell is ringing. A variety of styles to choose from.